<template>
    <div class="type-nav">
        <div class="container">
            <div @mouseleave="handlerLeave">
                <h2 class="all" @mouseenter="changeShow">全部商品分类</h2>
                <transition name="sort">
                    <div class="sort" v-show="isShow">
                        <div class="all-sort-list2">
                            <div class="item" v-for="(c1, index) in categoryArr" :key="c1.categoryId" @click="goSearch">
                                <h3 :class="{ active: activeIndex == index }" @mouseenter="handlerenter(index)">
                                    <a :data-categoryname='c1.categoryName' :data-category1Id="c1.categoryId">{{
                                        c1.categoryName
                                    }}</a>
                                </h3>
                                <div class="item-list clearfix" v-show="activeIndex == index">
                                    <div class="subitem" v-for="(c2, index) in c1.categoryChild" :key="c2.categoryId">
                                        <dl class="fore">
                                            <dt>
                                                <a :data-categoryname='c2.categoryName' :data-category2Id="c2.categoryId">{{
                                                    c2.categoryName }}</a>
                                            </dt>
                                            <dd>
                                                <em v-for="(c3, index) in c2.categoryChild" :key="c3.categoryId">
                                                    <a :data-categoryname='c3.categoryName'
                                                        :data-category3Id="c3.categoryId">{{
                                                            c3.categoryName }}</a>
                                                </em>
                                            </dd>
                                        </dl>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </transition>

            </div>

            <!-- 右侧秒杀文字 -->
            <nav class="nav">
                <a href="###">服装城</a>
                <a href="###">美妆馆</a>
                <a href="###">尚品汇超市</a>
                <a href="###">全球购</a>
                <a href="###">闪购</a>
                <a href="###">团购</a>
                <a href="###">有趣</a>
                <a href="###">秒杀</a>
            </nav>
        </div>
    </div>
</template>

<script>
import { mapState } from 'vuex'
export default {
    name: 'TypeNav',
    data() {
        return {
            activeIndex: -1,
            isShow: true
        }

    },
    mounted() {
        // 通知vuex发请求
        this.$store.dispatch("getcategory");
        if (this.$route.path != '/home') {
            this.isShow = false
        }
    },
    methods: {
        handlerenter(index) {
            this.activeIndex = index

        },
        handlerLeave() {
            this.activeIndex = -1;
            if (this.$route.path != '/home') {
                this.isShow = false
            }

        },
        goSearch(event) {


            const { categoryname, category1id, category2id, category3id } = event.target.dataset
            // this.$router.push({name:'search',query:{categoryName:c1.categoryName,category1Id:c1.category1Id}})
            // console.log(event.target.dataset);
            if (categoryname) {

                const locations = { name: 'search', query: { categoryName: categoryname } }
                if (category1id) {
                    locations.query.category1Id = category1id
                } else if (category2id) {
                    locations.query.category2Id = category2id
                } else {
                    locations.query.category3Id = category3id
                }
                if (this.$route.params.keyword) {
                    locations.params=this.$route.params
                }
                this.$router.push(locations)
            }

        },
        changeShow() {
            if (this.$route.path != '/home') {
                this.isShow = true
            }
        }
    },
    computed: {
        ...mapState({
            categoryArr: (state) => state.home.category,
        }),
    },
}
</script>

<style lang="less" scoped>
.type-nav {
    border-bottom: 2px solid #e1251b;

    .container {
        width: 1200px;
        margin: 0 auto;
        display: flex;
        position: relative;

        .all {
            width: 210px;
            height: 45px;
            background-color: #e1251b;
            line-height: 45px;
            text-align: center;
            color: #fff;
            font-size: 14px;
            font-weight: bold;
        }

        .nav {
            a {
                height: 45px;
                margin: 0 22px;
                line-height: 45px;
                font-size: 16px;
                color: #333;
            }
        }

        .sort {
            position: absolute;
            left: 0;
            top: 45px;
            width: 210px;
            // height: 461px;
            position: absolute;
            background: skyblue;
            z-index: 999;

            .all-sort-list2 {
                .item {
                    h3 {
                        line-height: 30px;
                        font-size: 14px;
                        font-weight: 400;
                        overflow: hidden;
                        padding: 0 20px;
                        margin: 0;

                        a {
                            color: #333;
                        }
                    }

                    .active {
                        background: yellowgreen;
                    }



                    .item-list {
                        // display: none;
                        position: absolute;
                        width: 734px;
                        min-height: 460px;
                        background: #f7f7f7;
                        left: 210px;
                        border: 1px solid #ddd;
                        top: 0;
                        z-index: 9999 !important;

                        .subitem {
                            float: left;
                            width: 650px;
                            padding: 0 4px 0 8px;

                            dl {
                                border-top: 1px solid #eee;
                                padding: 6px 0;
                                overflow: hidden;
                                zoom: 1;

                                &.fore {
                                    border-top: 0;
                                }

                                dt {
                                    float: left;
                                    width: 54px;
                                    line-height: 22px;
                                    text-align: right;
                                    padding: 3px 6px 0 0;
                                    font-weight: 700;
                                }

                                dd {
                                    float: left;
                                    width: 415px;
                                    padding: 3px 0 0;
                                    overflow: hidden;

                                    em {
                                        float: left;
                                        height: 14px;
                                        line-height: 14px;
                                        padding: 0 8px;
                                        margin-top: 5px;
                                        border-left: 1px solid #ccc;
                                    }
                                }
                            }
                        }
                    }

                    // &:hover {
                    //     .item-list {
                    //         display: block;
                    //     }
                    // }
                }


            }
        }
    }
}

.sort-enter {
    opacity: 0;
    height: 0px;
}

.sort-enter-active {
    transition: all .5s;
}

.sort-enter-to {
    opacity: 1;
    height: 461px;
}
</style>